Transcription of MOTION IN A S L
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MOTION IN A S L
CHAPTER THREE. MOTION IN A straight line . INTRODUCTION. MOTION is common to everything in the universe. We walk, run and ride a bicycle. Even when we are sleeping, air moves Introduction into and out of our lungs and blood flows in arteries and Position, path length and veins. We see leaves falling from trees and water flowing displacement down a dam. Automobiles and planes carry people from one Average velocity and average place to the other. The earth rotates once every twenty-four speed hours and revolves round the sun once in a year. The sun Instantaneous velocity and itself is in MOTION in the Milky Way, which is again moving speed within its local group of galaxies. Acceleration MOTION is change in position of an object with time. How Kinematic equations for does the position change with time ? In this chapter, we shall uniformly accelerated MOTION learn how to describe MOTION .
The position-time graph is a straight line parallel to the time axis, as shown in Fig. 3.2(a). If an object moving along the straight line covers equal distances in equal intervals of time, it is said to be in uniform motion along a straight line. Fig. 3.2(b) shows the position-time graph of …
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